BUG #3233: Trigger checks failed on concurrent transactions

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04-10-2008, 10:43 AM

Dmitry Belyavsky

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BUG #3233: Trigger checks failed on concurrent transactions

The following bug has been logged online:

Bug reference: 3233
Logged by: Dmitry Belyavsky
Email address: beldmit@masterhost.ru
PostgreSQL version: 8.1.6
Operating system: FreeBSD 6
Description: Trigger checks failed on concurrent transactions
Details:

Greetings!

I have a table containing IP ranges and a BEFORE INSERT trigger checking the
ranges I insert don't intersect already existing ranges. So the concurrent
transactions are able to insert 2 intersecting ranges.

Whether TODO record "Allow statement-level triggers to access modified rows"
concerns the case I report?

Is there any workaround except LOCK TABLE causing performance degradation?

Thank you!

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BUG #3233: Trigger checks failed on concurrent transactions